206863778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{20849}}^1$

素因数の和:20914

約数の個数: 24

約数和(自身を含む): 349404300

約数和(自身を除く): 142540522

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 4961, 9922, 20849, 41698, 229339, 458678, 854809, 1709618, 2522729, 5045458, 9402899, 18805798, 103431889, 206863778]

約数ペア:

[(1, 206863778), (2, 103431889), (11, 18805798), (22, 9402899), (41, 5045458), (82, 2522729), (121, 1709618), (242, 854809), (451, 458678), (902, 229339), (4961, 41698), (9922, 20849)]